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1# perf bash and zsh completion
2
3# Taken from git.git's completion script.
4__my_reassemble_comp_words_by_ref()
5{
6 local exclude i j first
7 # Which word separators to exclude?
8 exclude="${1//[^$COMP_WORDBREAKS]}"
9 cword_=$COMP_CWORD
10 if [ -z "$exclude" ]; then
11 words_=("${COMP_WORDS[@]}")
12 return
13 fi
14 # List of word completion separators has shrunk;
15 # re-assemble words to complete.
16 for ((i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do
17 # Append each nonempty word consisting of just
18 # word separator characters to the current word.
19 first=t
20 while
21 [ $i -gt 0 ] &&
22 [ -n "${COMP_WORDS[$i]}" ] &&
23 # word consists of excluded word separators
24 [ "${COMP_WORDS[$i]//[^$exclude]}" = "${COMP_WORDS[$i]}" ]
25 do
26 # Attach to the previous token,
27 # unless the previous token is the command name.
28 if [ $j -ge 2 ] && [ -n "$first" ]; then
29 ((j--))
30 fi
31 first=
32 words_[$j]=${words_[j]}${COMP_WORDS[i]}
33 if [ $i = $COMP_CWORD ]; then
34 cword_=$j
35 fi
36 if (($i < ${#COMP_WORDS[@]} - 1)); then
37 ((i++))
38 else
39 # Done.
40 return
41 fi
42 done
43 words_[$j]=${words_[j]}${COMP_WORDS[i]}
44 if [ $i = $COMP_CWORD ]; then
45 cword_=$j
46 fi
47 done
48}
49
50# Define preload_get_comp_words_by_ref="false", if the function
51# __perf_get_comp_words_by_ref() is required instead.
52preload_get_comp_words_by_ref="true"
53
54if [ $preload_get_comp_words_by_ref = "true" ]; then
55 type _get_comp_words_by_ref &>/dev/null ||
56 preload_get_comp_words_by_ref="false"
57fi
58[ $preload_get_comp_words_by_ref = "true" ] ||
59__perf_get_comp_words_by_ref()
60{
61 local exclude cur_ words_ cword_
62 if [ "$1" = "-n" ]; then
63 exclude=$2
64 shift 2
65 fi
66 __my_reassemble_comp_words_by_ref "$exclude"
67 cur_=${words_[cword_]}
68 while [ $# -gt 0 ]; do
69 case "$1" in
70 cur)
71 cur=$cur_
72 ;;
73 prev)
74 prev=${words_[$cword_-1]}
75 ;;
76 words)
77 words=("${words_[@]}")
78 ;;
79 cword)
80 cword=$cword_
81 ;;
82 esac
83 shift
84 done
85}
86
87# Define preload__ltrim_colon_completions="false", if the function
88# __perf__ltrim_colon_completions() is required instead.
89preload__ltrim_colon_completions="true"
90
91if [ $preload__ltrim_colon_completions = "true" ]; then
92 type __ltrim_colon_completions &>/dev/null ||
93 preload__ltrim_colon_completions="false"
94fi
95[ $preload__ltrim_colon_completions = "true" ] ||
96__perf__ltrim_colon_completions()
97{
98 if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
99 # Remove colon-word prefix from COMPREPLY items
100 local colon_word=${1%"${1##*:}"}
101 local i=${#COMPREPLY[*]}
102 while [[ $((--i)) -ge 0 ]]; do
103 COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
104 done
105 fi
106}
107
108__perfcomp ()
109{
110 COMPREPLY=( $( compgen -W "$1" -- "$2" ) )
111}
112
113__perfcomp_colon ()
114{
115 __perfcomp "$1" "$2"
116 if [ $preload__ltrim_colon_completions = "true" ]; then
117 __ltrim_colon_completions $cur
118 else
119 __perf__ltrim_colon_completions $cur
120 fi
121}
122
123__perf_prev_skip_opts ()
124{
125 local i cmd_ cmds_
126
127 let i=cword-1
128 cmds_=$($cmd $1 --list-cmds)
129 prev_skip_opts=()
130 while [ $i -ge 0 ]; do
131 if [[ ${words[i]} == $1 ]]; then
132 return
133 fi
134 for cmd_ in $cmds_; do
135 if [[ ${words[i]} == $cmd_ ]]; then
136 prev_skip_opts=${words[i]}
137 return
138 fi
139 done
140 ((i--))
141 done
142}
143
144__perf_main ()
145{
146 local cmd
147
148 cmd=${words[0]}
149 COMPREPLY=()
150
151 # Skip options backward and find the last perf command
152 __perf_prev_skip_opts
153 # List perf subcommands or long options
154 if [ -z $prev_skip_opts ]; then
155 if [[ $cur == --* ]]; then
156 cmds=$($cmd --list-opts)
157 else
158 cmds=$($cmd --list-cmds)
159 fi
160 __perfcomp "$cmds" "$cur"
161 # List possible events for -e option
162 elif [[ $prev == @("-e"|"--event") &&
163 $prev_skip_opts == @(record|stat|top) ]]; then
164 evts=$($cmd list --raw-dump)
165 __perfcomp_colon "$evts" "$cur"
166 else
167 # List subcommands for perf commands
168 if [[ $prev_skip_opts == @(kvm|kmem|mem|lock|sched|
169 |data|help|script|test|timechart|trace) ]]; then
170 subcmds=$($cmd $prev_skip_opts --list-cmds)
171 __perfcomp_colon "$subcmds" "$cur"
172 fi
173 # List long option names
174 if [[ $cur == --* ]]; then
175 subcmd=$prev_skip_opts
176 __perf_prev_skip_opts $subcmd
177 subcmd=$subcmd" "$prev_skip_opts
178 opts=$($cmd $subcmd --list-opts)
179 __perfcomp "$opts" "$cur"
180 fi
181 fi
182}
183
184if [[ -n ${ZSH_VERSION-} ]]; then
185 autoload -U +X compinit && compinit
186
187 __perfcomp ()
188 {
189 emulate -L zsh
190
191 local c IFS=$' \t\n'
192 local -a array
193
194 for c in ${=1}; do
195 case $c in
196 --*=*|*.) ;;
197 *) c="$c " ;;
198 esac
199 array[${#array[@]}+1]="$c"
200 done
201
202 compset -P '*[=:]'
203 compadd -Q -S '' -a -- array && _ret=0
204 }
205
206 __perfcomp_colon ()
207 {
208 emulate -L zsh
209
210 local cur_="${2-$cur}"
211 local c IFS=$' \t\n'
212 local -a array
213
214 if [[ "$cur_" == *:* ]]; then
215 local colon_word=${cur_%"${cur_##*:}"}
216 fi
217
218 for c in ${=1}; do
219 case $c in
220 --*=*|*.) ;;
221 *) c="$c " ;;
222 esac
223 array[$#array+1]=${c#"$colon_word"}
224 done
225
226 compset -P '*[=:]'
227 compadd -Q -S '' -a -- array && _ret=0
228 }
229
230 _perf ()
231 {
232 local _ret=1 cur cword prev
233 cur=${words[CURRENT]}
234 prev=${words[CURRENT-1]}
235 let cword=CURRENT-1
236 emulate ksh -c __perf_main
237 let _ret && _default && _ret=0
238 return _ret
239 }
240
241 compdef _perf perf
242 return
243fi
244
245type perf &>/dev/null &&
246_perf()
247{
248 local cur words cword prev
249 if [ $preload_get_comp_words_by_ref = "true" ]; then
250 _get_comp_words_by_ref -n =: cur words cword prev
251 else
252 __perf_get_comp_words_by_ref -n =: cur words cword prev
253 fi
254 __perf_main
255} &&
256
257complete -o bashdefault -o default -o nospace -F _perf perf 2>/dev/null \
258 || complete -o default -o nospace -F _perf perf
1# perf bash and zsh completion
2
3# Taken from git.git's completion script.
4__my_reassemble_comp_words_by_ref()
5{
6 local exclude i j first
7 # Which word separators to exclude?
8 exclude="${1//[^$COMP_WORDBREAKS]}"
9 cword_=$COMP_CWORD
10 if [ -z "$exclude" ]; then
11 words_=("${COMP_WORDS[@]}")
12 return
13 fi
14 # List of word completion separators has shrunk;
15 # re-assemble words to complete.
16 for ((i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do
17 # Append each nonempty word consisting of just
18 # word separator characters to the current word.
19 first=t
20 while
21 [ $i -gt 0 ] &&
22 [ -n "${COMP_WORDS[$i]}" ] &&
23 # word consists of excluded word separators
24 [ "${COMP_WORDS[$i]//[^$exclude]}" = "${COMP_WORDS[$i]}" ]
25 do
26 # Attach to the previous token,
27 # unless the previous token is the command name.
28 if [ $j -ge 2 ] && [ -n "$first" ]; then
29 ((j--))
30 fi
31 first=
32 words_[$j]=${words_[j]}${COMP_WORDS[i]}
33 if [ $i = $COMP_CWORD ]; then
34 cword_=$j
35 fi
36 if (($i < ${#COMP_WORDS[@]} - 1)); then
37 ((i++))
38 else
39 # Done.
40 return
41 fi
42 done
43 words_[$j]=${words_[j]}${COMP_WORDS[i]}
44 if [ $i = $COMP_CWORD ]; then
45 cword_=$j
46 fi
47 done
48}
49
50type _get_comp_words_by_ref &>/dev/null ||
51_get_comp_words_by_ref()
52{
53 local exclude cur_ words_ cword_
54 if [ "$1" = "-n" ]; then
55 exclude=$2
56 shift 2
57 fi
58 __my_reassemble_comp_words_by_ref "$exclude"
59 cur_=${words_[cword_]}
60 while [ $# -gt 0 ]; do
61 case "$1" in
62 cur)
63 cur=$cur_
64 ;;
65 prev)
66 prev=${words_[$cword_-1]}
67 ;;
68 words)
69 words=("${words_[@]}")
70 ;;
71 cword)
72 cword=$cword_
73 ;;
74 esac
75 shift
76 done
77}
78
79type __ltrim_colon_completions &>/dev/null ||
80__ltrim_colon_completions()
81{
82 if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
83 # Remove colon-word prefix from COMPREPLY items
84 local colon_word=${1%"${1##*:}"}
85 local i=${#COMPREPLY[*]}
86 while [[ $((--i)) -ge 0 ]]; do
87 COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
88 done
89 fi
90}
91
92__perfcomp ()
93{
94 COMPREPLY=( $( compgen -W "$1" -- "$2" ) )
95}
96
97__perfcomp_colon ()
98{
99 __perfcomp "$1" "$2"
100 __ltrim_colon_completions $cur
101}
102
103__perf_main ()
104{
105 local cmd
106
107 cmd=${words[0]}
108 COMPREPLY=()
109
110 # List perf subcommands or long options
111 if [ $cword -eq 1 ]; then
112 if [[ $cur == --* ]]; then
113 __perfcomp '--help --version \
114 --exec-path --html-path --paginate --no-pager \
115 --perf-dir --work-tree --debugfs-dir' -- "$cur"
116 else
117 cmds=$($cmd --list-cmds)
118 __perfcomp "$cmds" "$cur"
119 fi
120 # List possible events for -e option
121 elif [[ $prev == "-e" && "${words[1]}" == @(record|stat|top) ]]; then
122 evts=$($cmd list --raw-dump)
123 __perfcomp_colon "$evts" "$cur"
124 # List subcommands for 'perf kvm'
125 elif [[ $prev == "kvm" ]]; then
126 subcmds=$($cmd $prev --list-cmds)
127 __perfcomp_colon "$subcmds" "$cur"
128 # List long option names
129 elif [[ $cur == --* ]]; then
130 subcmd=${words[1]}
131 opts=$($cmd $subcmd --list-opts)
132 __perfcomp "$opts" "$cur"
133 fi
134}
135
136if [[ -n ${ZSH_VERSION-} ]]; then
137 autoload -U +X compinit && compinit
138
139 __perfcomp ()
140 {
141 emulate -L zsh
142
143 local c IFS=$' \t\n'
144 local -a array
145
146 for c in ${=1}; do
147 case $c in
148 --*=*|*.) ;;
149 *) c="$c " ;;
150 esac
151 array[${#array[@]}+1]="$c"
152 done
153
154 compset -P '*[=:]'
155 compadd -Q -S '' -a -- array && _ret=0
156 }
157
158 __perfcomp_colon ()
159 {
160 emulate -L zsh
161
162 local cur_="${2-$cur}"
163 local c IFS=$' \t\n'
164 local -a array
165
166 if [[ "$cur_" == *:* ]]; then
167 local colon_word=${cur_%"${cur_##*:}"}
168 fi
169
170 for c in ${=1}; do
171 case $c in
172 --*=*|*.) ;;
173 *) c="$c " ;;
174 esac
175 array[$#array+1]=${c#"$colon_word"}
176 done
177
178 compset -P '*[=:]'
179 compadd -Q -S '' -a -- array && _ret=0
180 }
181
182 _perf ()
183 {
184 local _ret=1 cur cword prev
185 cur=${words[CURRENT]}
186 prev=${words[CURRENT-1]}
187 let cword=CURRENT-1
188 emulate ksh -c __perf_main
189 let _ret && _default && _ret=0
190 return _ret
191 }
192
193 compdef _perf perf
194 return
195fi
196
197type perf &>/dev/null &&
198_perf()
199{
200 local cur words cword prev
201 _get_comp_words_by_ref -n =: cur words cword prev
202 __perf_main
203} &&
204
205complete -o bashdefault -o default -o nospace -F _perf perf 2>/dev/null \
206 || complete -o default -o nospace -F _perf perf